Splitting fpdfdoc/doc_* part III.

core/fpdfdoc/doc_formcontrol.cpp

Index: core/fpdfdoc/doc_formcontrol.cpp
diff --git a/core/fpdfdoc/doc_formcontrol.cpp b/core/fpdfdoc/doc_formcontrol.cpp
deleted file mode 100644
index 932a006be51b349a4bd963b816c6a734cfc54f15..0000000000000000000000000000000000000000
--- a/core/fpdfdoc/doc_formcontrol.cpp
+++ /dev/null
@@ -1,438 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fpdfdoc/include/cpdf_formcontrol.h"
-
-#include <algorithm>
-
-#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
-#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
-#include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
-#include "core/fpdfdoc/include/cpdf_interform.h"
-
-namespace {
-
-const FX_CHAR* const g_sHighlightingMode[] = {
-    // Must match order of HighlightingMode enum.
-    "N", "I", "O", "P", "T"};
-
-}  // namespace
-
-CPDF_FormControl::CPDF_FormControl(CPDF_FormField* pField,
-                                   CPDF_Dictionary* pWidgetDict)
-    : m_pField(pField),
-      m_pWidgetDict(pWidgetDict),
-      m_pForm(m_pField->m_pForm) {}
-
-CFX_ByteString CPDF_FormControl::GetOnStateName() const {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CFX_ByteString csOn;
-  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictBy("AP");
-  if (!pAP)
-    return csOn;
-
-  CPDF_Dictionary* pN = pAP->GetDictBy("N");
-  if (!pN)
-    return csOn;
-
-  for (const auto& it : *pN) {
-    if (it.first != "Off")
-      return it.first;
-  }
-  return CFX_ByteString();
-}
-
-void CPDF_FormControl::SetOnStateName(const CFX_ByteString& csOn) {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CFX_ByteString csValue = csOn;
-  if (csValue.IsEmpty()) {
-    csValue = "Yes";
-  }
-  if (csValue == "Off") {
-    csValue = "Yes";
-  }
-  CFX_ByteString csAS = m_pWidgetDict->GetStringBy("AS", "Off");
-  if (csAS != "Off") {
-    m_pWidgetDict->SetAtName("AS", csValue);
-  }
-  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictBy("AP");
-  if (!pAP) {
-    return;
-  }
-  for (const auto& it : *pAP) {
-    CPDF_Object* pObj1 = it.second;
-    if (!pObj1) {
-      continue;
-    }
-    CPDF_Object* pObjDirect1 = pObj1->GetDirect();
-    CPDF_Dictionary* pSubDict = pObjDirect1->AsDictionary();
-    if (!pSubDict)
-      continue;
-
-    auto subdict_it = pSubDict->begin();
-    while (subdict_it != pSubDict->end()) {
-      const CFX_ByteString& csKey2 = subdict_it->first;
-      CPDF_Object* pObj2 = subdict_it->second;
-      ++subdict_it;
-      if (!pObj2) {
-        continue;
-      }
-      if (csKey2 != "Off") {
-        pSubDict->ReplaceKey(csKey2, csValue);
-        break;
-      }
-    }
-  }
-}
-CFX_ByteString CPDF_FormControl::GetCheckedAPState() {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CFX_ByteString csOn = GetOnStateName();
-  if (GetType() == CPDF_FormField::RadioButton ||
-      GetType() == CPDF_FormField::CheckBox) {
-    if (ToArray(FPDF_GetFieldAttr(m_pField->m_pDict, "Opt"))) {
-      int iIndex = m_pField->GetControlIndex(this);
-      csOn.Format("%d", iIndex);
-    }
-  }
-  if (csOn.IsEmpty())
-    csOn = "Yes";
-  return csOn;
-}
-
-CFX_WideString CPDF_FormControl::GetExportValue() const {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CFX_ByteString csOn = GetOnStateName();
-  if (GetType() == CPDF_FormField::RadioButton ||
-      GetType() == CPDF_FormField::CheckBox) {
-    if (CPDF_Array* pArray =
-            ToArray(FPDF_GetFieldAttr(m_pField->m_pDict, "Opt"))) {
-      int iIndex = m_pField->GetControlIndex(this);
-      csOn = pArray->GetStringAt(iIndex);
-    }
-  }
-  if (csOn.IsEmpty())
-    csOn = "Yes";
-  return PDF_DecodeText(csOn);
-}
-
-bool CPDF_FormControl::IsChecked() const {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CFX_ByteString csOn = GetOnStateName();
-  CFX_ByteString csAS = m_pWidgetDict->GetStringBy("AS");
-  return csAS == csOn;
-}
-
-bool CPDF_FormControl::IsDefaultChecked() const {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CPDF_Object* pDV = FPDF_GetFieldAttr(m_pField->m_pDict, "DV");
-  if (!pDV) {
-    return FALSE;
-  }
-  CFX_ByteString csDV = pDV->GetString();
-  CFX_ByteString csOn = GetOnStateName();
-  return (csDV == csOn);
-}
-
-void CPDF_FormControl::CheckControl(FX_BOOL bChecked) {
-  ASSERT(GetType() == CPDF_FormField::CheckBox ||
-         GetType() == CPDF_FormField::RadioButton);
-  CFX_ByteString csOn = GetOnStateName();
-  CFX_ByteString csOldAS = m_pWidgetDict->GetStringBy("AS", "Off");
-  CFX_ByteString csAS = "Off";
-  if (bChecked)
-    csAS = csOn;
-  if (csOldAS == csAS)
-    return;
-  m_pWidgetDict->SetAtName("AS", csAS);
-}
-
-void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice,
-                                   CFX_Matrix* pMatrix,
-                                   CPDF_Page* pPage,
-                                   CPDF_Annot::AppearanceMode mode,
-                                   const CPDF_RenderOptions* pOptions) {
-  if (m_pWidgetDict->GetIntegerBy("F") & ANNOTFLAG_HIDDEN)
-    return;
-
-  CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pWidgetDict, mode);
-  if (!pStream)
-    return;
-
-  CFX_FloatRect form_bbox = pStream->GetDict()->GetRectBy("BBox");
-  CFX_Matrix form_matrix = pStream->GetDict()->GetMatrixBy("Matrix");
-  form_matrix.TransformRect(form_bbox);
-  CFX_FloatRect arect = m_pWidgetDict->GetRectBy("Rect");
-  CFX_Matrix matrix;
-  matrix.MatchRect(arect, form_bbox);
-  matrix.Concat(*pMatrix);
-  CPDF_Form form(m_pField->m_pForm->m_pDocument,
-                 m_pField->m_pForm->m_pFormDict->GetDictBy("DR"), pStream);
-  form.ParseContent(nullptr, nullptr, nullptr);
-  CPDF_RenderContext context(pPage);
-  context.AppendLayer(&form, &matrix);
-  context.Render(pDevice, pOptions, nullptr);
-}
-
-CPDF_FormControl::HighlightingMode CPDF_FormControl::GetHighlightingMode() {
-  if (!m_pWidgetDict)
-    return Invert;
-
-  CFX_ByteString csH = m_pWidgetDict->GetStringBy("H", "I");
-  for (size_t i = 0; i < FX_ArraySize(g_sHighlightingMode); ++i) {
-    if (csH == g_sHighlightingMode[i])
-      return static_cast<HighlightingMode>(i);
-  }
-  return Invert;
-}
-
-CPDF_ApSettings CPDF_FormControl::GetMK() const {
-  return CPDF_ApSettings(m_pWidgetDict ? m_pWidgetDict->GetDictBy("MK")
-                                       : nullptr);
-}
-
-bool CPDF_FormControl::HasMKEntry(const CFX_ByteString& csEntry) const {
-  return GetMK().HasMKEntry(csEntry);
-}
-
-int CPDF_FormControl::GetRotation() {
-  return GetMK().GetRotation();
-}
-
-FX_ARGB CPDF_FormControl::GetColor(int& iColorType,
-                                   const CFX_ByteString& csEntry) {
-  return GetMK().GetColor(iColorType, csEntry);
-}
-
-FX_FLOAT CPDF_FormControl::GetOriginalColor(int index,
-                                            const CFX_ByteString& csEntry) {
-  return GetMK().GetOriginalColor(index, csEntry);
-}
-
-void CPDF_FormControl::GetOriginalColor(int& iColorType,
-                                        FX_FLOAT fc[4],
-                                        const CFX_ByteString& csEntry) {
-  GetMK().GetOriginalColor(iColorType, fc, csEntry);
-}
-CFX_WideString CPDF_FormControl::GetCaption(const CFX_ByteString& csEntry) {
-  return GetMK().GetCaption(csEntry);
-}
-
-CPDF_Stream* CPDF_FormControl::GetIcon(const CFX_ByteString& csEntry) {
-  return GetMK().GetIcon(csEntry);
-}
-
-CPDF_IconFit CPDF_FormControl::GetIconFit() {
-  return GetMK().GetIconFit();
-}
-
-int CPDF_FormControl::GetTextPosition() {
-  return GetMK().GetTextPosition();
-}
-
-CPDF_Action CPDF_FormControl::GetAction() {
-  if (!m_pWidgetDict)
-    return CPDF_Action();
-
-  if (m_pWidgetDict->KeyExist("A"))
-    return CPDF_Action(m_pWidgetDict->GetDictBy("A"));
-
-  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "A");
-  if (!pObj)
-    return CPDF_Action();
-
-  return CPDF_Action(pObj->GetDict());
-}
-
-CPDF_AAction CPDF_FormControl::GetAdditionalAction() {
-  if (!m_pWidgetDict)
-    return CPDF_AAction();
-
-  if (m_pWidgetDict->KeyExist("AA"))
-    return CPDF_AAction(m_pWidgetDict->GetDictBy("AA"));
-  return m_pField->GetAdditionalAction();
-}
-
-CPDF_DefaultAppearance CPDF_FormControl::GetDefaultAppearance() {
-  if (!m_pWidgetDict)
-    return CPDF_DefaultAppearance();
-
-  if (m_pWidgetDict->KeyExist("DA"))
-    return CPDF_DefaultAppearance(m_pWidgetDict->GetStringBy("DA"));
-
-  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "DA");
-  if (pObj)
-    return CPDF_DefaultAppearance(pObj->GetString());
-  return m_pField->m_pForm->GetDefaultAppearance();
-}
-
-CPDF_Font* CPDF_FormControl::GetDefaultControlFont() {
-  CPDF_DefaultAppearance cDA = GetDefaultAppearance();
-  CFX_ByteString csFontNameTag;
-  FX_FLOAT fFontSize;
-  cDA.GetFont(csFontNameTag, fFontSize);
-  if (csFontNameTag.IsEmpty())
-    return nullptr;
-
-  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pWidgetDict, "DR");
-  if (CPDF_Dictionary* pDict = ToDictionary(pObj)) {
-    CPDF_Dictionary* pFonts = pDict->GetDictBy("Font");
-    if (pFonts) {
-      CPDF_Dictionary* pElement = pFonts->GetDictBy(csFontNameTag);
-      if (pElement) {
-        CPDF_Font* pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
-        if (pFont) {
-          return pFont;
-        }
-      }
-    }
-  }
-  if (CPDF_Font* pFormFont = m_pField->m_pForm->GetFormFont(csFontNameTag))
-    return pFormFont;
-
-  CPDF_Dictionary* pPageDict = m_pWidgetDict->GetDictBy("P");
-  pObj = FPDF_GetFieldAttr(pPageDict, "Resources");
-  if (CPDF_Dictionary* pDict = ToDictionary(pObj)) {
-    CPDF_Dictionary* pFonts = pDict->GetDictBy("Font");
-    if (pFonts) {
-      CPDF_Dictionary* pElement = pFonts->GetDictBy(csFontNameTag);
-      if (pElement) {
-        CPDF_Font* pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
-        if (pFont) {
-          return pFont;
-        }
-      }
-    }
-  }
-  return nullptr;
-}
-
-int CPDF_FormControl::GetControlAlignment() {
-  if (!m_pWidgetDict) {
-    return 0;
-  }
-  if (m_pWidgetDict->KeyExist("Q")) {
-    return m_pWidgetDict->GetIntegerBy("Q", 0);
-  }
-  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "Q");
-  if (pObj)
-    return pObj->GetInteger();
-  return m_pField->m_pForm->GetFormAlignment();
-}
-
-CPDF_ApSettings::CPDF_ApSettings(CPDF_Dictionary* pDict) : m_pDict(pDict) {}
-
-bool CPDF_ApSettings::HasMKEntry(const CFX_ByteString& csEntry) const {
-  return m_pDict && m_pDict->KeyExist(csEntry);
-}
-
-int CPDF_ApSettings::GetRotation() const {
-  return m_pDict ? m_pDict->GetIntegerBy("R") : 0;
-}
-
-FX_ARGB CPDF_ApSettings::GetColor(int& iColorType,
-                                  const CFX_ByteString& csEntry) const {
-  iColorType = COLORTYPE_TRANSPARENT;
-  if (!m_pDict)
-    return 0;
-
-  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
-  if (!pEntry)
-    return 0;
-
-  FX_ARGB color = 0;
-  size_t dwCount = pEntry->GetCount();
-  if (dwCount == 1) {
-    iColorType = COLORTYPE_GRAY;
-    FX_FLOAT g = pEntry->GetNumberAt(0) * 255;
-    color = ArgbEncode(255, (int)g, (int)g, (int)g);
-  } else if (dwCount == 3) {
-    iColorType = COLORTYPE_RGB;
-    FX_FLOAT r = pEntry->GetNumberAt(0) * 255;
-    FX_FLOAT g = pEntry->GetNumberAt(1) * 255;
-    FX_FLOAT b = pEntry->GetNumberAt(2) * 255;
-    color = ArgbEncode(255, (int)r, (int)g, (int)b);
-  } else if (dwCount == 4) {
-    iColorType = COLORTYPE_CMYK;
-    FX_FLOAT c = pEntry->GetNumberAt(0);
-    FX_FLOAT m = pEntry->GetNumberAt(1);
-    FX_FLOAT y = pEntry->GetNumberAt(2);
-    FX_FLOAT k = pEntry->GetNumberAt(3);
-    FX_FLOAT r = 1.0f - std::min(1.0f, c + k);
-    FX_FLOAT g = 1.0f - std::min(1.0f, m + k);
-    FX_FLOAT b = 1.0f - std::min(1.0f, y + k);
-    color = ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255));
-  }
-  return color;
-}
-
-FX_FLOAT CPDF_ApSettings::GetOriginalColor(
-    int index,
-    const CFX_ByteString& csEntry) const {
-  if (!m_pDict)
-    return 0;
-
-  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
-  return pEntry ? pEntry->GetNumberAt(index) : 0;
-}
-
-void CPDF_ApSettings::GetOriginalColor(int& iColorType,
-                                       FX_FLOAT fc[4],
-                                       const CFX_ByteString& csEntry) const {
-  iColorType = COLORTYPE_TRANSPARENT;
-  for (int i = 0; i < 4; i++) {
-    fc[i] = 0;
-  }
-  if (!m_pDict) {
-    return;
-  }
-  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
-  if (!pEntry) {
-    return;
-  }
-  size_t dwCount = pEntry->GetCount();
-  if (dwCount == 1) {
-    iColorType = COLORTYPE_GRAY;
-    fc[0] = pEntry->GetNumberAt(0);
-  } else if (dwCount == 3) {
-    iColorType = COLORTYPE_RGB;
-    fc[0] = pEntry->GetNumberAt(0);
-    fc[1] = pEntry->GetNumberAt(1);
-    fc[2] = pEntry->GetNumberAt(2);
-  } else if (dwCount == 4) {
-    iColorType = COLORTYPE_CMYK;
-    fc[0] = pEntry->GetNumberAt(0);
-    fc[1] = pEntry->GetNumberAt(1);
-    fc[2] = pEntry->GetNumberAt(2);
-    fc[3] = pEntry->GetNumberAt(3);
-  }
-}
-
-CFX_WideString CPDF_ApSettings::GetCaption(
-    const CFX_ByteString& csEntry) const {
-  return m_pDict ? m_pDict->GetUnicodeTextBy(csEntry) : CFX_WideString();
-}
-
-CPDF_Stream* CPDF_ApSettings::GetIcon(const CFX_ByteString& csEntry) const {
-  return m_pDict ? m_pDict->GetStreamBy(csEntry) : nullptr;
-}
-
-CPDF_IconFit CPDF_ApSettings::GetIconFit() const {
-  return CPDF_IconFit(m_pDict ? m_pDict->GetDictBy("IF") : nullptr);
-}
-
-int CPDF_ApSettings::GetTextPosition() const {
-  return m_pDict ? m_pDict->GetIntegerBy("TP", TEXTPOS_CAPTION)
-                 : TEXTPOS_CAPTION;
-}